Scanning with Bar Codes

What is a bar code and how can I use it for scanning?
A bar code like the one shown at the right is use to either identify information on the document, or the bar code can be used to SEPARATE the document, or a batch of documents, or both.

bar code image

Basic scanning with bar codes
To use the most common example, lets say you have two documents you wish to scan. The first document is 5 pages long, and the second one is 10 pages long. You want to be able to "stack" all 15 pages on the scanner's ADF and scan these into two separate documents.  An ADF is the Automatic Document Feeder.

Some scanner softwares will not separate the documents into two. You will end up with a 15 page document (file).  Some document scanning softwares will allow you to use a blank page as a separator, which means that when a "front side" blank page is detected, the scanner will automatically start a new document.  Other softwares may require a special page of their own design to be used to "separate" two documents.

An easier solution is to use a bar code page as a separator.  This page has a bar code identifier located in the SAME location.

There are two ways to read a bar code separator:

  • Software- the software reviews the image, looking in a particular area for the bar code, if the software finds the bar code, then the software interprets its code and reacts appropriately .
  • Hardware- the hardware reviews the image, looks for the bar code and reacts accordingly.
Which one do I use ??
If you purchased a scanner that cannot read barcodes (this comes from the factory), then you can purchase Kofax VRS Profession scanning software, which will interpret the bar code data.

If you purchased a scanner that can read bar codes, then you must have a software that can interpret the bar code information that is sent by the scanner.  Most scanners that come with a bar code reader can interpret the bar code data. Kodak scanner software is very bar code oriented.

Why should I use  bar codes??
Very simply, time is money. 

If you have a dozen different documents that are of various numbers of pages in length and mixed simplex and duplex:

Without a bar code separator, you must load each document into the scanner, and start and stop the scanner when finished with that document, save the file, then start over again.

With a bar code separator sheet,  you place a sheet in between each document, load the ADF with a stack of documents and start scanning. If you place new documents at the back of the ADF so the ADF doesn't run out of documents to scan, you can scan continuously all day.

Bar codes can also signify a new batch too. If you are scanning invoices, then mix in delivery sheets,  you can start a new batch without stopping the scanner, then all the invoices are in one directory, and the delivery sheets are in another. You can mix bar codes, since you tell the software what to do when it reads a code.

The time that is spent placing the bar code sheet between documents is less than the time it takes to stop start and reload each new document.  ALL scanning service bureaus use bar code sheets.

Bar code sheets are reusable,  some companies laminate them, then use a grease pencil to mark where the paper document must be hand filed (drawer aa-ag) after it has been scanned.

Advanced bar code scanning
Since this is a much more technical subject,  I will just cover the basics.

As you understand the above references to bar codes as they are used for separation,  you can also use the bar codes to identify a document.  You can "encode" the bars with information about the document.   IE  a bar code can contain a number like 123456. This number is passed to the software which can look up 123456 in a database to find out that the number references a can of beans which costs $0.99.  Or, it represents an invoice from vendor "ABC Supply", so the name, address and phone number are not needed to be keyed from hand for that document, only the invoice number would be needed.

Color bar codes can handle even more data.  These new bar codes can hold many fields of information: vendor number, invoice number, invoice amount, date, date due, etc.

There are many bar code "printing" software's available on the Internet, even fonts that are actual bar code symbols.  Companies can encode any data they need in the bar codes.  A bar code software can usually read many different bar codes from the same sheet of paper.

When would I use Patch Codes for scanning ??
Patch codes are nothing more than bar codes that change the scanner settings, but they are an integral part of efficient scanning.

If you have a stack of single sided documents, followed by double sided documents (or mixed), a patch code inserted in between the documents can change the scanner from simplex to duplex scanning mode (and then back).  Scanning in simplex mode is always faster, so time is saved. A scanner slows down when it has to determine if the back side of the page is blank or not, to keep the blank image or not. Stopping the scanner, changing the settings, and starting again is time consuming and not cost effective.

Not all bar code software can read patch code,  a scanner and software that can do both is a little more expensive, but will pay for itself in a very short period of time.

Which scanner has these features??
The Kodak i2000 series (and higher) scanners come with a Lite volume version of their bar code software. If you purchase one of these models, then upgrade to the Capture Pro version you can read bar codes and patch codes.  The cost is easily recovered in production time savings.  Also, this is a one time charge, you can scan an unlimited number of documents with the Kodak software.
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